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Strategies for using OpenvSwitch with LXC are discussed. In September 2017 LXC 2.1.0 was released with, for the first time, explicit support for OpenvSwitch. However, previous versions of LXC in the 2.0.x series had also supported OpenvSwitch albeit more indirectly. These old and new modes of OpenvSwtich support and use in LXC 2.0.x and 2.1.x versions arepresented.

Methods of providing DNS/DHCP, WAN/internet resolution, and LUNs to LXCcontainers over OpenvSwitch in a wide variety of different DNS paradigms (e.g. NetworkManager, systemd-resolved, dnsmasq, and even ancient glibc) and operating systems (Debian-based and Redhat-based) will also be presented with a focus on hands-on working strategies and pro and con comparison.

Finally, if time permits, a couple brief examples of Oracle Enterprise software products in LXC on OpenvSwitch will be given. Audience insights, questions, examples and opinions are welcomed.

I am the creator of Orabuntu-LXC which uses OpenvSwitch for networking. Orabuntu-LXC includes containerized DNS/DHCP and SCST Linux SAN solutions. I'm interested in latest developments and best practice for using OpenvSwitch for Linux container networks. I'm also looking for s... Read More →